/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * File Name          : freertos.c
  * Description        : Code for freertos applications
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "FreeRTOS.h"
#include "task.h"
#include "main.h"
#include "cmsis_os.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "keyled.h"
#include "lcd.h"
#include "stream_buffer.h"
#include "adc.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define BUFFER_LEN			80
#define TRIGGER_LEVEL		20
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN Variables */
StreamBufferHandle_t streamBuf;
/* USER CODE END Variables */
/* Definitions for Task_Main */
osThreadId_t Task_MainHandle;
const osThreadAttr_t Task_Main_attributes = {
  .name = "Task_Main",
  .stack_size = 256 * 4,
  .priority = (osPriority_t) osPriorityNormal,
};

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN FunctionPrototypes */

/* USER CODE END FunctionPrototypes */

void AppTask_Main(void *argument);

void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */

/**
  * @brief  FreeRTOS initialization
  * @param  None
  * @retval None
  */
void MX_FREERTOS_Init(void) {
  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* USER CODE BEGIN RTOS_MUTEX */
  /* add mutexes, ... */
  /* USER CODE END RTOS_MUTEX */

  /* USER CODE BEGIN RTOS_SEMAPHORES */
  /* add semaphores, ... */
  /* USER CODE END RTOS_SEMAPHORES */

  /* USER CODE BEGIN RTOS_TIMERS */
  /* start timers, add new ones, ... */
  /* USER CODE END RTOS_TIMERS */

  /* USER CODE BEGIN RTOS_QUEUES */
  /* add queues, ... */
  /* USER CODE END RTOS_QUEUES */

  /* Create the thread(s) */
  /* creation of Task_Main */
  Task_MainHandle = osThreadNew(AppTask_Main, NULL, &Task_Main_attributes);

  /* USER CODE BEGIN RTOS_THREADS */
  /* add threads, ... */
  streamBuf=xStreamBufferCreate(BUFFER_LEN, TRIGGER_LEVEL);
  /* USER CODE END RTOS_THREADS */

  /* USER CODE BEGIN RTOS_EVENTS */
  /* add events, ... */
  /* USER CODE END RTOS_EVENTS */

}

/* USER CODE BEGIN Header_AppTask_Main */
/**
  * @brief  Function implementing the Task_Main thread.
  * @param  argument: Not used
  * @retval None
  */
/* USER CODE END Header_AppTask_Main */
void AppTask_Main(void *argument)
{
  /* USER CODE BEGIN AppTask_Main */
  LCD_ShowStr(10, LCD_CurY+LCD_SP15, "Stream Buffer length= ");
  LCD_ShowUint(LCD_CurX,LCD_CurY,BUFFER_LEN);

  LCD_ShowStr(10, LCD_CurY+LCD_SP15, "Trigger level= ");
  LCD_ShowUint(LCD_CurX,LCD_CurY,TRIGGER_LEVEL);

  uint16_t requiredBytes=32;
  LCD_ShowStr(10, LCD_CurY+LCD_SP15, "Required bytes= ");
  LCD_ShowUint(LCD_CurX,LCD_CurY,requiredBytes);

  LCD_ShowStr(10, LCD_CurY+LCD_SP15, "Actual read bytes= ");
  uint16_t LcdX=LCD_CurX,LcdY=LCD_CurY;
  LCD_ShowStr(10, LCD_CurY+LCD_SP15, "Average ADC Value= ");
  uint32_t adcArray[10];
  BRUSH_COLOR=LCD_GREEN;
  /* Infinite loop */
  for(;;)
  {
	  uint16_t actualReadBytes=xStreamBufferReceive(streamBuf, adcArray, requiredBytes, portMAX_DELAY);
	  LED0_Toggle();
	  LCD_ShowUint(LcdX, LcdY, actualReadBytes);

	  uint8_t actualItems=actualReadBytes/4;
	  uint32_t sum=0;
	  for(uint8_t i=0;i<actualItems;i++)
		  sum+=adcArray[i];
	  sum=sum/actualItems;
	  LCD_ShowUintX(LcdX, LcdY+LCD_SP15, sum, 4);
  }
  /* USER CODE END AppTask_Main */
}

/* Private application code --------------------------------------------------*/
/* USER CODE BEGIN Application */
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef *hadc)
{
	if(hadc->Instance!=ADC1)
		return;
	uint32_t adc_value=HAL_ADC_GetValue(hadc);
	BaseType_t taskWorken=pdFALSE;
	if(streamBuf!=NULL)
	{
		xStreamBufferSendFromISR(streamBuf, &adc_value, 4, &taskWorken);
		portYIELD_FROM_ISR(taskWorken);
	}
}
/* USER CODE END Application */

